package cn.edu.cqut;

public class Example {
    public static void main(String args[]) {
        Chese chinese = new Chese();
        American american = new American();
   BeiJingPeople beijingman = new BeiJingPeople();
        chinese.speakHello();
        american.speakHello();
        beijingman.speakHello();
        chinese.averageHeight();
        american.averageHeight();
        beijingman.averageHeight();
        chinese.averageWeight();
        american.averageWeight();
        beijingman.averageWeight();
        chinese.chinaGongfu();
        american.americanBoxing();
        beijingman.beijingOpera();
        beijingman.chinaGongfu();
    }}

